Rock Identifier vs Primo Rocks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rock Identifier
Instantly identify rocks and minerals using your phone's camera. Get detailed information, ask an AI expert questions, and build a personal collection of your finds. Perfect for geology enthusiasts of all levels.
- Instant camera scanning for rock identification
- Detailed profiles with hardness and value estimates
- AI chat expert for geology questions
- Personal collection library with timestamps
- Confidence scores for identifications
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Discover the world beneath your feet with Rock Identifier: GeoLens, your personal geology companion. Simply aim your camera at any rock and instantly discover what it is—no more second‑guessing. Key Features - Instant Scanning: Use Rock Identifier: GeoLens’s camera scanner to identify rocks in seconds. - Detailed Profiles: Explore hardness, luster, value estimates and more on the detail page. - AI Chat Expert: Ask questions about formation, rarity or uses and get answers from your built‑in geology expert. - Collection Library: Save every find in your personal collection, complete with timestamps and confidence scores. Whether you’re a hobbyist or a pro, Rock Identifier: GeoLens makes rock identification effortless. Unlock the secrets of every specimen and build your rock library on the go. Download Rock Identifier: GeoLens today and start exploring! Payment & Subscription Information: Payments are deducted from your iTunes account upon confirmation. Subscriptions renew automatically unless canceled in your account settings. Your account will be charged within 24 hours prior to the end of the current subscription period. You can manage your subscriptions and disable auto-renewal in your account settings after purchase. No refunds will be provided for any unused portion of the subscription. Terms of Use: https://www.freeprivacypolicy.com/live/ebd42484-f379-4e59-af07-46dbc2d05979 Privacy Policy: https://www.freeprivacypolicy.com/live/93aae5ea-e352-40d7-b22f-042bcd51f714
Primo Rocks
Identify rocks, minerals, and fossils instantly with a photo. Discover their estimated value, origins, and fascinating stories. Build and manage your personal collection of geological finds.
- AI-powered rock identification
- Estimated market value
- Detailed physical properties
- Locality maps
- Lore and meaning
- Personal collection building
- Rock of the Day feature
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Ever picked up a stone and wondered what it was? Primo Rocks is your pocket geologist. Take one photo and our AI identifies any rock, crystal, mineral, gemstone or fossil in seconds, then tells you its story, its estimated value and where in the world to find more. IDENTIFY ANY ROCK IN SECONDS Point your camera at any stone and get an instant identification with a confidence check, full physical properties and reference photos to compare. KNOW WHAT IT IS WORTH Every identification comes with an estimated market value, so you know if your find is a keeper. EXPLORE A BEAUTIFUL CATALOG Browse gemstones, minerals, rocks and fossils in a rich catalog with warm, story style descriptions written for curious minds. • Locality maps: see where each specimen is found around the world • Mohs hardness: scratch resistance and physical properties at a glance • Lore and meaning: the myths, history and crystal meanings behind every stone • Rock of the Day: a fresh specimen with a new story every morning BUILD YOUR COLLECTION Save your finds into folders, keep a wishlist of stones you want to hunt next and watch your collection grow. PERFECT FOR • Rockhounds and amateur geologists • Crystal lovers curious about meanings • Beachcombers, hikers and families with curious kids • Fossil hunters • Anyone holding a mystery stone right now PRIVACY FIRST No account needed. Your scans and collection stay on your device. Download Primo Rocks and turn every walk into a treasure hunt. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Primo Rocks at 5.0 against Rock Identifier's 4.3. Primo Rocks also leads on update cadence (fortnightly vs every 11 months). Rock Identifier's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Rock Identifier sells 2 in-app purchases, starting at $5.99 per 7 days and Primo Rocks sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Primo Rocks holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Rock Identifier has 6 ratings behind it against 1, so its average is the more settled of the two.
Rock Identifier ships an update every 11 months, Primo Rocks fortnightly. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.
| Parameter | Rock Identifier | Primo Rocks |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 11 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Fabulous Apps LLC | Primo Technology Ltd. |
In-app purchases
Rock Identifier
- Rock Identifier - Weekly3 Days trial$5.997 Days
- Rock Identifier - Yearly$29.991 Year
Primo Rocks
- Premium Weekly Limited3 Days trial$3.997 Days
- Premium Weekly3 Days trial$7.997 Days
- Premium Yearly Limited3 Days trial$19.991 Year
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- Premium Yearly3 Days trial$29.991 Year
Questions
Is Rock Identifier free?
Is Primo Rocks free?
Which has better reviews, Rock Identifier or Primo Rocks?
Do Rock Identifier or Primo Rocks have ads?
Which is updated more often, Rock Identifier or Primo Rocks?
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